Elevator traction wheel with mechanical locking mechanism

The utility model discloses an elevator traction wheel with a mechanical locking mechanism. The device comprises a base, a bearing seat, a wheel shaft, a wheel disc, a deflector rod, a counterweight gear and a locking push rod, a bearing seat is fixedly arranged on the base, a wheel shaft is arranged in the center of the bearing seat through a bearing, a wheel disc is fixedly arranged on the outerside of the wheel shaft, a driving lever is fixedly arranged on the side face of the wheel disc, a balance weight gear is arranged on one side of the driving lever in a contact mode, and a locking push rod is arranged on one side of the balance weight gear and slidably arranged on the base. The device further comprises a wear detection mechanism; on one hand, a mechanical structure is adopted tocontrol locking of the traction wheel, the traction wheel cannot fail, 100% starting and high safety during failure of the traction wheel are guaranteed, on the other hand, detection of the abrasion degree of the traction whee